6972198718 has 4 divisors (see below), whose sum is σ = 10458298080. Its totient is φ = 3486099358.

The previous prime is 6972198703. The next prime is 6972198719. The reversal of 6972198718 is 8178912796.

It is a semiprime because it is the product of two primes.

It is a super-2 number, since 2×6972198718² = 97223109926561687048, which contains 22 as substring.

It is a Smith number, since the sum of its digits (58) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6972198719) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1743049678 + ... + 1743049681.

It is an arithmetic number, because the mean of its divisors is an integer number (2614574520).

Almost surely, 2^6972198718 is an apocalyptic number.

6972198718 is a deficient number, since it is larger than the sum of its proper divisors (3486099362).

6972198718 is a wasteful number, since it uses less digits than its factorization.

6972198718 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3486099361.

The product of its digits is 3048192, while the sum is 58.

The square root of 6972198718 is about 83499.6929215910. The cubic root of 6972198718 is about 1910.3953493903.

The spelling of 6972198718 in words is "six billion, nine hundred seventy-two million, one hundred ninety-eight thousand, seven hundred eighteen".